200210121012020 has 144 divisors (see below), whose sum is σ = 502822361279952. Its totient is φ = 66727469168640.

The previous prime is 200210121012007. The next prime is 200210121012037. The reversal of 200210121012020 is 20210121012002.

It can be written as a sum of positive squares in 8 ways, for example, as 13084902697636 + 187125218314384 = 3617306^2 + 13679372^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 200210121011986 and 200210121012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2135582 + ... + 20124138.

It is an arithmetic number, because the mean of its divisors is an integer number (3491821953333).

Almost surely, 2^{200210121012020} is an apocalyptic number.

200210121012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200210121012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251411180639976).

200210121012020 is an abundant number, since it is smaller than the sum of its proper divisors (302612240267932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200210121012020 is a wasteful number, since it uses less digits than its factorization.

200210121012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17988898 (or 17988889 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200210121012020 its reverse (20210121012002), we get a palindrome (220420242024022).

The spelling of 200210121012020 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-one million, twelve thousand, twenty".